Saint Itta of Nivelles - Way Unknown Parents listed seems a Bit confusing

Why does
@Saint Itta of Nivelles name differ on her fathers & mothers profile that whats given on her profile? Tis seems a bit confusing to me; maybe I am wrong.

Itta MP / Display Name is Saint Itta of Nivelles
Gender: Female
Birth: circa 592
Landen, Flemish Brabant, Flanders, Belgium
Death: May 8, 652 (56-64)
Nivelles, Walloon Region, Belgium
Place of Burial: Abbey of Nivelles (present St. Gertrudes Collegiate Church), Nivelles, Walloon Brabant, Belgium

@Itta de Gascogne
Gender: Female
Birth: 565
Immediate Family:
Wife of Unknown Father of St. Itta Schelde, van
Mother of Saint Itta of Nivelles

@Grimoald d'Aquitaine
Gender: Male
Birth: 550
Death: 611 (61)
Immediate Family:
Husband of Unknown Mother of St. Itta Zwaben, van
Father of Saint Itta of Nivelles